In my experience i would vent all my roofs with soffit vents and ridge vents using the foam rafter vents between the sheathing and insulation.
If enclosing a porch does roof need vented.
Porch roof ventilation options.
Soffit vents have much less risk of water entry.
Do i need insulation and or ventilation on top of the rain and ice barrier or can i get away without it.
People have strong and differing opinions on whether roof venting affects shingle life.
Do i need to ventilate.
The design is not done yet but it will likely be around a 3 pitch that ties into the existing house roof that is about a 7 pitch.
It will be a simple 3 12 pitch roof tying into the house front with ceiling joists with pine 1 4 tg beaded boards for ceiling.
It s also got an almost flat roof with solar panels on top.
Do i need to vent the roof of a screen porch.
I ll be soon building my open air porch on my house soon ne ohio.
If you plan to include a ceiling fan in your porch make sure you take that into consideration when deciding on the height of your ceiling.
I am not planning on enclosing the porch.
If your porch has developed ceiling stains or problems shedding snow and ice in the winter try providing additional venting for the roof system.
So incredibly hot which i expected.
I ve finished enclosing a 35x12 porch.
It is a 1 1 2 pitch shed roof.
If you have an enclosed porch ceiling have vents to clear the roof cavity of moisture.
Louvered vents provide good air flow for roof areas.
I already put down 3 4 osb and a rain ice barrier.
He originally told me to use the vent available for a shed roof situation but the manufacturer says not for any thing less than a 3 pitch.
Roof vents help make a home more energy efficient and allow humidity and hot air to escape the.
On top of the roof i would like to put down a metal roof.
Durable plastic and glass panels in your porch roof provide weather protection while also maximizing natural light.
If your porch is screened in you can run your ceiling up to the peak and install ridge vent on the top of the roof and you should be fine no need to insullate a screened in porch.
The roof attaches just above the eves of the house roof and the eves are open.
This will not be an enclosed porch however the roof and ceiling joists will create an enclosed structure.
The rafters are fabricated i beams.
The joint where the top of the porch roof meets the wall needs to be flashed well and most of the vent details for that look to me like they might leak water under some conditions of rain and wind.
I can t find it in the code book which is what he is citing.
It s got 15 6 tall south facing casements with 2 french doors on one side and a double french on the other end.
However this porch was enclosed with windows not just screens.
I can t think of the benefit of venting a screen porch roof.
Proper roof ventilation is an important aspect of home construction.
